Re: [PATCH v7 2/2] drm/bridge: Add Lontium LT9609C(EX/UXD) MIPI DSI to HDMI driver
From: Krzysztof Kozlowski
Date: Sat Jul 18 2026 - 11:55:58 EST
On 18/07/2026 13:12, Mohit Dsor wrote:
> On Thu, Jul 16, 2026 at 02:56:02PM +0200, Krzysztof Kozlowski wrote:
>> On 16/07/2026 13:31, mohit.dsor@xxxxxxxxxxxxxxxx wrote:
>>> From: Sunyun Yang <syyang@xxxxxxxxxxx>
>>>
>>> LT9611C(EX/UXD) is an I2C-controlled chip that Receiver signal/dual port
>>> mipi dsi and output hdmi, differences in hardware features:
>>> - LT9611C: supports 1-port mipi dsi to hdmi 1.4
>>> - LT9611EX: supports 2-port mipi dsi to hdmi 1.4
>>> - LT9611UXD: supports 2-port mipi dsi to hdmi 1.4/2.0
>>>
>>> Signed-off-by: Sunyun Yang <syyang@xxxxxxxxxxx>
>>> Co-developed-by: Mohit Dsor <mohit.dsor@xxxxxxxxxxxxxxxx>
>>> Signed-off-by: Mohit Dsor <mohit.dsor@xxxxxxxxxxxxxxxx>
>>> ---
>>> MAINTAINERS | 7 +
>>> drivers/gpu/drm/bridge/Kconfig | 18 +
>>> drivers/gpu/drm/bridge/Makefile | 1 +
>>> drivers/gpu/drm/bridge/lontium-lt9611c.c | 1293 ++++++++++++++++++++++++++++++
>>> 4 files changed, 1319 insertions(+)
>>>
>>> diff --git a/MAINTAINERS b/MAINTAINERS
>>> index 6dea93a41962..30be2eaf2bec 100644
>>> --- a/MAINTAINERS
>>> +++ b/MAINTAINERS
>>> @@ -15184,6 +15184,13 @@ S: Maintained
>>> F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
>>> F: drivers/gpu/drm/bridge/lontium-lt8912b.c
>>>
>>> +LONTIUM LT9611C MIPI DSI TO HDMI BRIDGE
>>> +M: Sunyun Yang <syyang@xxxxxxxxxxx>
>>> +M: Mohit Dsor <mohit.dsor@xxxxxxxxxxxxxxxx>
>>> +S: Maintained
>>> +F: Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml
>>> +F: drivers/gpu/drm/bridge/lontium-lt9611c.c
>>> +
>>> LOONGARCH
>>> M: Huacai Chen <chenhuacai@xxxxxxxxxx>
>>> R: WANG Xuerui <kernel@xxxxxxxxxx>
>>> diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
>>> index 4a57d49b4c6d..b8959b8e2ad0 100644
>>> --- a/drivers/gpu/drm/bridge/Kconfig
>>> +++ b/drivers/gpu/drm/bridge/Kconfig
>>> @@ -177,6 +177,24 @@ config DRM_LONTIUM_LT9611
>>> HDMI signals
>>> Please say Y if you have such hardware.
>>>
>>> +config DRM_LONTIUM_LT9611C
>>> + tristate "Lontium LT9611C DSI/HDMI bridge"
>>> + select SND_SOC_HDMI_CODEC if SND_SOC
>>> + depends on OF
>>> + select CRC8
>>> + select FW_LOADER
>>> + select DRM_PANEL_BRIDGE
>>> + select DRM_KMS_HELPER
>>> + select DRM_MIPI_DSI
>>> + select DRM_DISPLAY_HELPER
>>> + select DRM_DISPLAY_HDMI_STATE_HELPER
>>> + select REGMAP_I2C
>>> + help
>>> + Driver for Lontium DSI to HDMI bridge
>>> + chip driver that converts dual DSI and I2S to
>>> + HDMI signals
>>> + Please say Y if you have such hardware.
>>
>> Please wrap the code to appropriate limits.
> I checked the others in Kconfigs they appear to be similar,
> still i will try to fix it.
This is nowhere close to the limit expressed by coding style.
Best regards,
Krzysztof